Home / Products / O2 Western Regulator SKU: 692 Categories: Medical Equipment, Uncategorized Tag: Ambulance Parts Description Description 50 PSI, M1-540-P – Oxygen regulator w/ gauge Related products 12VDC to 120 VAC Inverter View Part ’19-Current Transit Front Grill Guard View Part Whelen Siren Speaker SA315P View Part 35 Watt Replacement Bulb View Part